Alert archive / Montana / Tornado Warnings in 2005

Tornado Warning 4, NWS Great Falls, MT

June 22, 2005Cascade County, Meagher County, Montana

NWS Great Falls, MT issued this tornado warning at Jun 22, 2005, 4:28 PM MDT for Cascade County, Meagher County, Montana. It was in force for 32 min. 1 report came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued: Jun 22, 2005, 4:28 PM MDT (22:28 UTC)
Expired: Jun 22, 2005, 5:00 PM MDT
In force: 32 min
Issued by: NWS Great Falls, MT
Area: Counties, with a storm outline in the text

Counties Cascade County, MT, Meagher County, MT

The radar

The Great Falls radar (KTFX), 60 km from the middle of the area, began a volume at 22:28 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

What was reported inside it

Time	Report	Where	Remark
Jun 22, 4:30 PM MDT	HAIL 0.25	32 Nnw White Sulphur Sp, MT	PEA SIZE HAIL...HAIL GETTING BIGGER ALONG WITH HEAVY RAIN.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
Jun 22, 3:50 PM MDT	Severe Thunderstorm Watch	SPC	7 hr

The nearest sounding before it

Great_falls, MT (KTFX), launched 12:00Z, 10.5 hours before the alert went out and 72 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 2428 m above ground
0-6 km bulk shear: 31 kt
0-1 km storm-relative helicity: 74 m²/s²
0-3 km storm-relative helicity: 81 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
WFUS55 KTFX 222229
TORTFX
MTC013-059-222300-
/O.NEW.KTFX.TO.W.0004.050622T2228Z-050622T2300Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE GREAT FALLS MT
428 PM MDT WED JUN 22 2005

THE NATIONAL WEATHER SERVICE IN GREAT FALLS HAS ISSUED A

* TORNADO WARNING FOR...
  SOUTHEASTERN CASCADE COUNTY IN CENTRAL MONTANA
  NORTHERN MEAGHER COUNTY IN CENTRAL MONTANA

* UNTIL 500 PM MDT

* AT 422 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO 9 MILES
  NORTHWEST OF CAMP BAKER. THIS DANGEROUS STORM IS MOVING NORTHEAST
  AT 35 MPH.

* THE MOST DANGEROUS PORTION OF THE STORM WILL BE...
  NEAR LOGGING CREEK CAMPGROUND BY 450 PM MDT
  NEAR MONARCH AND 11 MILES NORTHWEST OF NEIHART BY 500 PM MDT

THIS INCLUDES HIGHWAY 89 BETWEEN MILE MARKERS 33 AND 58.

THIS REPLACES THE SEVERE THUNDERSTORM WARNING PREVIOUSLY ISSUED FOR 
NORTHWESTERN MEAGHER COUNTY. A SEVERE THUNDERSTORM WARNING IS ALSO
IN EFFECT FOR THE REMAINDER OF EASTERN CASCADE COUNTY.

THE SAFEST PLACE TO BE DURING A TORNADO IS IN A BASEMENT. GET UNDER A
WORKBENCH OR OTHER PIECE OF STURDY FURNITURE. IF NO BASEMENT IS
AVAILABLE...SEEK SHELTER ON THE LOWEST FLOOR OF THE BUILDING IN AN
INTERIOR HALLWAY OR ROOM SUCH AS A CLOSET. USE BLANKETS OR PILLOWS TO
COVER YOUR BODY AND ALWAYS STAY AWAY FROM WINDOWS.

IF IN MOBILE HOMES OR VEHICLES...EVACUATE THEM AND GET INSIDE A
SUBSTANTIAL SHELTER. IF NO SHELTER IS AVAILABLE...LIE FLAT IN THE
NEAREST DITCH OR OTHER LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS.

LAT...LON 4693 11147 4678 11133 4687 11067 4720 11087

$$

The office that day

Everything else NWS Great Falls, MT issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jun 21, 7:24 PM MDT	Severe Thunderstorm Warning	TFX	Glacier, Pondera	57 min
Jun 22, 3:43 PM MDT	Severe Thunderstorm Warning	TFX	Lewis and Clark, Meagher	47 min
Jun 22, 4:17 PM MDT	Severe Thunderstorm Warning	TFX	Cascade	58 min
Jun 22, 5:16 PM MDT	Severe Thunderstorm Warning	TFX	Cascade, Chouteau, Judith Basin	59 min

Nearby

Tornado Warnings in Montana, 2005 Every tornado warning in 2005 Tornadoes in 2005

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.